#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
int my_lenth(char* p)
{
	int count = 0;
	while(*p!='\0')
	{
		p++;
		count++;
	}
	return count;
}
int main()
{
	char arr[] = "sssssssss";
	printf("%d\n",my_lenth(arr ));
}